21427628

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{823}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 39314688

約数和(自身を除く): 17887060

約数列:

[1, 2, 4, 23, 46, 92, 283, 566, 823, 1132, 1646, 3292, 6509, 13018, 18929, 26036, 37858, 75716, 232909, 465818, 931636, 5356907, 10713814, 21427628]

約数ペア:

[(1, 21427628), (2, 10713814), (4, 5356907), (23, 931636), (46, 465818), (92, 232909), (283, 75716), (566, 37858), (823, 26036), (1132, 18929), (1646, 13018), (3292, 6509)]